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BOSTON MARATHON 2023

Josephine Jayworth

Bib: 14618•F

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:31/mi
23:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:22/mi
46:14
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:08:49
↑ 67↓ 78
20K· 12.43 mi
7:17/mi
1:31:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:14/mi
1:36:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:54:01
↑ 66↓ 880.2%
30K· 18.64 mi
7:27/mi
2:17:10
↑ 181↓ 1480.2%
20M
7:33/mi
2:27:26
↑ 64↓ 500.2%
21M
8:02/mi
2:35:28
↑ 106↓ 241.6%
35K· 21.75 mi
7:06/mi
2:40:47
↑ 17↓ 861.7%
23M
7:36/mi
2:50:18
↑ 23↓ 630.6%
24M
7:09/mi
2:57:27
↓ 821.3%
40K· 24.85 mi
7:15/mi
3:03:39
↓ 200.3%
25.2M
7:41/mi
3:06:18
↑ 13↓ 160.2%
Finish· 26.22 mi
6:45/mi
3:13:11
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:36:22
Pace7:21 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:49
Pace7:23 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3423:227:3123:22
7:31
-
10K
6.21 mi11:15:2646:147:2622:52
7:22
-0:09
15K
9.32 mi11:38:011:08:497:2322:35
7:16
-0:06
20K
12.43 mi12:00:381:31:267:2122:37
7:17
+0:01
Half
13.11 mi12:05:341:36:227:214:56
7:14
-0:03
25K
15.53 mi12:23:131:54:017:2017:39
7:17
+0:03
30K
18.64 mi12:46:222:17:107:2123:09
7:27
+0:10
20M
20.00 mi12:56:382:27:267:2210:16
7:33
+0:06
21M
21.00 mi13:04:402:35:287:248:02
8:02
+0:29
35K
21.75 mi13:09:592:40:477:245:19
7:06
-0:56
23M
23.00 mi13:19:302:50:187:249:31
7:36
+0:30
24M
24.00 mi13:26:392:57:277:247:09
7:09
-0:27
40K
24.85 mi13:32:513:03:397:236:12
7:15
+0:06
25.2M
25.20 mi13:35:303:06:187:242:39
7:41
+0:26
Finish
26.22 mi13:42:233:13:117:226:53
6:45
-0:56

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:45 /mi

Average Pace

7:22 /mi

Slowest Pace

8:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:12

60% of race

Time at Steady Pace

1:08:57

36% of race

Time at Slower Pace

8:02

4% of race

Average Pace: 7:22 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:52:3423:227:3123:22
7:31
#9813
10K
6.21 mi11:15:2646:147:2622:52
7:22
#9504
15K
9.32 mi11:38:011:08:497:2322:35
7:16
#9065
20K
12.43 mi12:00:381:31:267:2122:37
7:17
#8679
Half
13.11 mi12:05:341:36:227:214:56
7:14
#8642
25K
15.53 mi12:23:131:54:017:2017:39
7:17
#8370
30K
18.64 mi12:46:222:17:107:2123:09
7:27
#8075
20M
20.00 mi12:56:382:27:267:2210:16
7:33
#7946
21M
21.00 mi13:04:402:35:287:248:02
8:02
#7891
35K
21.75 mi13:09:592:40:477:245:19
7:06
#7796
23M
23.00 mi13:19:302:50:187:249:31
7:36
#7717
24M
24.00 mi13:26:392:57:277:247:09
7:09
#7587
40K
24.85 mi13:32:513:03:397:236:12
7:15
#7464
25.2M
25.20 mi13:35:303:06:187:242:39
7:41
#7416
Finish
26.22 mi13:42:233:13:117:226:53
6:45
#7207
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9813175817588312(Top 31%)1184(Top 10%)1184(Top 24%)
10K6.21 mi3.10 mi9504+3091611+1471611+1479310(Top 35%)1543(Top 14%)1543(Top 32%)
15K9.32 mi3.11 mi9065+4391451+1601451+1608312(Top 31%)1184(Top 10%)1184(Top 24%)
20K12.43 mi3.11 mi8679+3861308+1431308+1437644(Top 29%)982(Top 9%)982(Top 20%)
Half13.11 mi0.68 mi8642+371291+171291+178131(Top 31%)1137(Top 10%)1137(Top 23%)
25K15.53 mi2.42 mi8370+2721214+771214+777175(Top 27%)899(Top 8%)899(Top 18%)
30K18.64 mi3.11 mi8075+2951148+661148+666913(Top 26%)904(Top 8%)904(Top 19%)
20M20.00 mi1.36 mi7946+1291110+381110+387202(Top 27%)1094(Top 10%)1094(Top 22%)
21M21.00 mi1.00 mi7891+551102+81102+87567(Top 28%)1333(Top 12%)1333(Top 27%)
35K21.75 mi0.75 mi7796+951076+261076+266001(Top 23%)771(Top 7%)771(Top 16%)
23M23.00 mi1.25 mi7717+791074+21074+27110(Top 27%)1207(Top 11%)1207(Top 25%)
24M24.00 mi1.00 mi7587+1301052+221052+225501(Top 21%)726(Top 6%)726(Top 15%)
40K24.85 mi0.85 mi7464+1231042+101042+105191(Top 19%)716(Top 6%)716(Top 15%)
25.2M25.20 mi0.35 mi7416+481033+91033+94882(Top 18%)689(Top 6%)689(Top 14%)
Finish26.22 mi1.02 mi7207+209988+45988+453845(Top 14%)436(Top 4%)436(Top 9%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21story building
+97ft-345ft

Overall

8312

Females

1184

F18-39

1184

5K→10K

3.1 - 6.2 mi

Top 35%
×5story building
+79ft-138ft

Overall

9310

Females

1543

F18-39

1543

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+67ft-78ft

Overall

8312

Females

1184

F18-39

1184

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

7644

Females

982

F18-39

982

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8131

Females

1137

F18-39

1137

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7175

Females

899

F18-39

899

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

6913

Females

904

F18-39

904

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7202

Females

1094

F18-39

1094

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7567

Females

1333

F18-39

1333

21M→35K

21.0 - 21.8 mi

Top 23%
×7story building
+17ft-86ft

Overall

6001

Females

771

F18-39

771

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7110

Females

1207

F18-39

1207

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5501

Females

726

F18-39

726

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5191

Females

716

F18-39

716

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4882

Females

689

F18-39

689

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3845

Females

436

F18-39

436

Passing Analysis

Category:
Athletes Passed
2975
Passed By
369
Net Change
+2606
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9813
5K → 10K483174+309#9813#9504
10K → 15K45920+439#9504#9065
15K → 20K39711+386#9065#8679
20K → Half5013+37#8679#8642
Half → 25K2786+272#8642#8370
25K → 30K31318+295#8370#8075
30K → 20M14415+129#8075#7946
20M → 21M10348+55#7946#7891
21M → 35K994+95#7891#7796
35K → 23M11637+79#7796#7717
23M → 24M1388+130#7717#7587
24M → 40K1329+123#7587#7464
40K → 25.2M513+48#7464#7416
25.2M → Finish2123+209#7416#7207
TOTALS2975369+2606
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing